JP2011125091A - Solar-powered battery charging station - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an apparatus which efficiently utilizes electricity stored in a rechargeable battery unit, e.g., at night, thereby charging as many electric vehicle as possible. <P>SOLUTION: The apparatus includes a roof member 11 supported by supporting poles 10 erected on a floor surface, photovoltaic modules 2 provided on the roof member 11, a rechargeable battery which stores electricity generated by the photovoltaic modules 11, a charging stand which supplies charging electricity to vehicles, an LED lighting 3 which includes high-luminosity LED lighting elements and low-luminosity LED lighting elements to be lit with electricity from the rechargeable battery, and a control unit which detects the vehicles and controls ON and OFF of the lighting appliances based on the detection. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a solar battery charging station, and more particularly to a solar battery charging station that uses electric power obtained from sunlight to supply power to an electric vehicle, a plug-in hybrid vehicle, or the like.

  As an environment-friendly vehicle, an electric vehicle and a hybrid vehicle are known.

  In addition to the conventional internal combustion engine, the hybrid vehicle is equipped with a power storage mechanism, an inverter, and an electric motor as a power source for traveling the vehicle. In such a hybrid vehicle, a so-called plug-in hybrid vehicle that can charge a power storage mechanism from a power source (such as a household power source) outside the vehicle has been attracting attention for the purpose of extending a travel distance using only an electric motor.

  An electric vehicle not equipped with an internal combustion engine travels using only an electric motor. In these plug-in hybrid vehicles and electric vehicles, the use of electric power generated by a solar cell as a power source outside the vehicle can further consider the environment.

  A system for charging an electric vehicle using electric power obtained from sunlight without using a commercial power supply has been proposed (see, for example, Patent Document 1).

  This type of system includes a solar cell module, a secondary battery that stores electric power generated by the solar cell module, and a charger that supplies electric power for charging to an electric vehicle or the like.

JP 2003-102104 A

  In the above-described system, it is possible to charge an electric vehicle or the like with electric power obtained from sunlight. And at night, etc., work such as charging is performed using electric power stored in the secondary battery during the day. The battery capacity of the secondary battery is limited, and it is desirable to use the power stored as efficiently as possible.

  An object of the present invention is to provide an apparatus for efficiently charging as many electric vehicles as possible by efficiently using a secondary battery stored at night or the like.

  The present invention includes a roof supported by a support standing on a floor, a solar cell module provided on the roof, a secondary battery that stores electric power generated by the solar cell module, A charger that supplies power for charging to a car, a lighting device that has a lighting device with different power consumption that is turned on by the power supplied from the secondary battery, and controls lighting of the lighting device by detecting a vehicle And a control unit.

  In addition, the lighting fixture includes a low-intensity LED illumination and a high-intensity LED illumination, and the control unit turns on the low-intensity LED illumination during standby and detects entry of a car into a parking space. A parking space can be configured to illuminate with the high-intensity LED illumination.

  Furthermore, the said lighting fixture is provided with the lighting fixture which illuminates the operation part of a charger, and if a vehicle stops at a parking position, a control part can be comprised so that the lighting fixture which illuminates an operation part may be lighted.

  Moreover, the said support body is provided with the arch part extended toward upper part from a pillar part and a pillar part, and it can comprise it by attaching an illuminating device to the said arch part.

  In addition, the roof body can be configured to have a circular outer frame and a support frame continuously provided in a lattice pattern on the outer frame.

  Thus, this invention can control lighting of an illuminating device according to the position of a vehicle, efficiently control the consumption of a secondary battery, and can secure the charge amount with respect to a vehicle. In addition, the vehicle can be easily guided to the parking position.

It is a perspective view of the solar cell charging station concerning embodiment of this invention. It is the bottom view which looked at the solar cell charging station concerning embodiment of this invention from the ground side. It is a front view of the solar cell charging station concerning embodiment of this invention. It is a top view which shows the parking space of the solar cell charging station concerning embodiment of this invention. It is a top view which shows the state which makes a vehicle approach into the parking space of the solar cell charging station concerning embodiment of this invention. It is a side view which shows the state which stops a vehicle in the parking space of the solar cell charging station concerning embodiment of this invention. It is a schematic diagram which shows LED illumination of the solar cell charging station concerning embodiment of this invention. It is a block diagram which shows the structure of the solar cell charging station concerning embodiment of this invention.

  Embodiments of the present invention will be described in detail with reference to the drawings. In the drawings, the same or corresponding parts are denoted by the same reference numerals, and the description thereof will not be repeated in order to avoid duplication of description.

  FIG. 1 is a perspective view of a solar cell charging station according to the present invention. In the solar cell charging station 1 of this embodiment, as shown in FIG. 1, a roof body 11 to which the solar cell module 2 is attached is supported by a plurality of support poles 10 standing on the ground (floor surface) 100. . In this embodiment, a circular roof body 11 is supported by six support poles 10.

  The support pole 10 includes a column portion 10a that rises vertically from the ground (floor surface) 100 and an arch portion 10b that extends from the column portion 10a toward the upper portion. The secondary battery is accommodated in the central trunk portion 4 surrounded by the column portion 10a. In the trunk 4, in addition to the secondary battery, a charger (charging station), a control unit having an electric device for controlling the apparatus, and the like are accommodated.

  An LED illumination 3 is attached to the arch portion 10b, and is configured to illuminate an operation portion of a charging stand provided with a parking space, a charging plug, and the like.

  As shown in FIGS. 2 and 3, the roof body 11 includes a circular outer frame 11 a and a support frame 11 b connected to the outer frame 11 a in a lattice shape. The roof body 11 is supported by the support pole 10 while being inclined at a predetermined angle so that sunlight can enter the light receiving surface of the solar cell module 2 from the vertical direction as much as possible. In this embodiment, it is tilted and supported at an angle of 20 to 40 degrees southward.

  A plurality of solar cell modules 2 are attached to the roof body 11. The solar cell module 2 includes a plurality of solar cells, and these solar cells are electrically connected to output predetermined power.

  As the solar cell, various solar cells such as a crystalline solar cell using single crystal silicon or polycrystalline silicon, a thin film solar cell using amorphous silicon or microcrystalline silicon, and other compound solar cells can be used. .

  The solar cell module 2 includes a plurality of electrically connected solar cells, a surface member having translucency such as glass or translucent plastic, and a transparent film such as weather resistant film or glass or translucent plastic. From a sealing resin agent having translucency such as EVA (ethyl vinyl acetate), which is a weather resistant resin agent excellent in weather resistance and moisture resistance, between the back member made of a member having light properties It is configured to be sealed with a sealing material. In this embodiment, the back surface member is also made of a translucent member, and a double-sided solar cell module 2 into which light from the front and back surfaces is incident is used.

  The solar cell modules 2 are connected in series or in parallel according to these power generation capacities, and these wires are connected to a control unit housed in the trunk 4. The sunlight irradiated to the roof body 11 to which the plurality of solar cell modules 2 are attached is generated by each solar cell module 2 and the electric power is stored in the secondary battery. And sunlight leaks under the roof body 11 from the gap between the solar cells of the solar cell module 2. This leaked sunlight becomes a pleasant sunshine like a sunbeams.

  The electric power generated by the solar cell module 2 is stored in a secondary battery housed in the trunk 4, and the control unit supplies power to a vehicle C such as four electric vehicles or plug-in hybrid vehicles in this embodiment. The secondary battery in the automobile C is charged.

  As shown in FIGS. 4 and 5, four parking spaces 5 are provided in this embodiment. In each parking space 5, a lane marking 51 indicating the parking space 5 and a parking number, for example, are written on the ground (floor surface) 100. A charging stand is installed at the trunk 4 portion of the parking space 5.

  The charging station in this embodiment is configured to be capable of DC 400V DC charging and AC 200V AC charging, for example. In addition, the charging stand is not limited to this, and a charging stand that can output 100 VAC and 200 VAC can be used.

  The LED illumination 3 is used for illumination for a parking space, illumination for an operation part of a charging stand provided with a charging plug and the like, and illumination for standby. These LED lights 3 are lit with electric power supplied from the secondary battery. In this embodiment, in order to efficiently consume the power of the secondary battery, the LED illumination 3 corresponding to each region is controlled to be lit only when necessary.

  As shown in FIG. 7, the LED illumination 3 has a high-intensity LED illumination 3a with a large output and a low-intensity LED illumination 3b with a small output according to the region to be irradiated. In order to perform lighting control of the LED lights 3a and 3b, the solar battery charging station 1 is provided with a sensor for detecting the car C entering each parking space 5. The lighting control of the LED illumination 3 is performed according to the sensor output.

  When the presence of the vehicle is not confirmed by the sensor, the low-intensity LED illumination 3b with a small output is turned on to reduce power consumption. When the sensor output detects that the car C is approaching, the corresponding parking space 5 is indicated. Therefore, the high-intensity LED illumination 3a is turned on, and the car C is guided by illuminating the lane marking 51 and the parking number. Making it easy.

  Then, when the sensor detects that the vehicle C has stopped, the LED illumination 3a for guiding the parking space 5 is turned off, the LED illumination of the operation unit is turned on, and the operation of charging work is facilitated.

  In this way, the lighting of the LED lighting 3 is controlled according to the position of the car C, the consumption of the secondary battery is controlled efficiently, and the charge amount for the car C is ensured.

The embodiment of the present invention will be further described with reference to the block diagram of FIG.
The electric power generated by the solar cell module 2 installed on the roof body 11 is given to the control unit 6 accommodated in the trunk 4. The control unit 6 includes a controller 60 that controls the whole, a DC / DC controller 61, a secondary battery 62, an inverter 53, a DC / DC converter 64, an AC charging station 65, and a DC charging station 66.

  The electric power output from the solar cell module 2 is given to the DC / DC controller 61. The DC / DC controller 61 performs control such as overcurrent prevention, backflow prevention, overcharge prevention and the like on the direct current power output from the solar cell module 2, and a secondary battery such as a nickel-hydrogen storage battery or a lithium ion secondary battery. A voltage corresponding to 62 is generated, and a current is applied to the secondary battery 62. The secondary battery 62 is charged by the current supplied from the DC / DC controller 61, and the secondary battery 62 is charged by the electric power generated from the solar cell module 2.

  Electric power is output from the secondary battery 62 to the high luminance LED 3 a, the low luminance LED 3 b, and the stand illumination LED 3 c of the LED illumination 3 based on the control of the controller 60.

  In addition, power is output from the secondary battery 62 to the inverter 63 and the DC / DC converter 64. The inverter 63 changes the DC power into a predetermined voltage, for example, 100V or 200V AC power. AC power from the inverter 63 is supplied to an AC charging stand 65 as, for example, a three-wire 200V AC power source, and the charging stand 65 performs the same processing as that of a normal charging stand. Charging the vehicle C such as an in-hybrid vehicle is performed.

  Charging methods for electric vehicles are optional, but by providing 200 / 100V outlets that are compatible with the “200V inductive charging method” and “conductive charging method” that transmit electric power in a non-contact manner by electromagnetic induction, It becomes possible to deal with automobiles and the like.

  As described above, by installing the secondary battery 62, the electric power generated in the solar cell module 2 can be stored without waste, and the secondary battery 62 is stored even when nighttime power generation is impossible. The car C can be charged using electric power. In addition, even if the amount of power stored in the secondary battery 62 is small, if the amount of power generated by the solar battery module 2 is sufficient, the vehicle C can be charged using this power directly.

  On the other hand, the DC / DC converter 64 converts the voltage output from the secondary battery 62 into a direct current having a maximum voltage of 400 V and a maximum current of 75 A, and is supplied to the direct current charging stand 66. The vehicle C is charged through a connector (not shown).

  Information on the charging station to be used is given to the controller 60, and the controller 60 operates the inverter 63 or the DC / DC converter 64 in accordance with the charging station to be used.

  The LED illumination 3 includes a high-intensity LED illumination 3a with a large output, a low-intensity LED illumination 3a with a small output, and a stand illumination 3c in accordance with a region to be irradiated. In order to perform the lighting control of the LED lighting 3, the solar battery charging station 1 is provided with a sensor 7 for detecting the car C entering each parking space 5. The output of the sensor 7 is given to the controller 60, and the controller 60 controls lighting of the high-luminance LED illumination 3a having a large output, the low-luminance LED illumination 3b having a small output, and the stand illumination 3c in accordance with the output of the sensor 7. I do.

  When the sensor 7 does not confirm the presence of the vehicle C in the entering vehicle C or the parking space 5, the controller 60 turns on the low-intensity LED illumination 3b and suppresses power consumption in a standby state. And if it detects that the vehicle C approaches by the output of the sensor 7, in order to show the applicable parking space 5, as shown in FIG.5 and FIG.6, the high-intensity LED illumination 3a of the part will be lighted, and a lane marking 51 and parking number etc. are irradiated to facilitate the guidance of the car. In the case shown in FIG. 5, the sensor 7 detects that the car C enters the parking space 5 indicated by the parking number 1, and the partition line 51 and the parking number “1” of that portion are irradiated with the high-intensity LED illumination 3 a. Is done.

  When the sensor 7 detects that the car C has stopped, the LED 3a for guiding the parking space is turned off, the LED of the stand illumination 3c is turned on to make the operation part of the stands 65 and 66 easier to see, and charging work is performed. To facilitate the operation.

  As described above, the lighting of the LED lighting 3 is controlled according to the position of the car C, the consumption of the secondary battery 62 is controlled efficiently, and the charge amount for the car is ensured.

  The LED illumination 3 is not limited to white, and the color of the LED for guiding the car, the LED for illuminating the operation unit, and the LED for standby may be changed.

  Needless to say, the vehicle of the present invention includes not only electric vehicles such as electric vehicles and plug-in hybrid vehicles, but also electric assist bicycles.

  In the above-described embodiment, the secondary battery is charged by the power generated by the solar battery module 2. However, the present invention is not limited to this, and the power from the commercial power system is also used for charging the secondary battery. You may make it do.

  Further, in the above-described embodiment, it is configured to supply power to four electric vehicles or plug-in hybrid vehicles. However, the present invention is not limited to this. The number can be changed as appropriate.

  The embodiment disclosed this time should be considered as illustrative in all points and not restrictive. The scope of the present invention is shown not by the above description of the embodiment but by the scope of claims, and is intended to include all modifications within the meaning and scope equivalent to the scope of claims.

DESCRIPTION OF SYMBOLS 1 Solar cell charging station 2 Solar cell module 3 LED lighting 3a High-intensity LED lighting 3b Low-intensity LED lighting 4 Trunk 5 Parking space 6 Control unit 7 Sensor 10 Support pole 10a Pillar part 10b Arm part 60 Controller 65 AC charging stand 66 DC charging stand

Claims (5)

A roof supported by a support standing on the floor; and
A solar cell module provided on the roof body;
A secondary battery for storing electric power generated by the solar cell module;
A charger for supplying charging power to the car;
A lighting device having a lighting device with different power consumption to be lit by the power supplied from the secondary battery;
A solar cell charging station comprising: a controller that detects a vehicle and controls lighting of the lighting fixture.   The lighting fixture includes a low-brightness LED lighting and a high-brightness LED lighting, and the control unit turns on the low-brightness LED lighting during standby and detects entry of the car into the parking space. The solar battery charging station according to claim 1, wherein the high-brightness LED illumination is used to illuminate   The said lighting fixture is provided with the lighting fixture which illuminates the operation part of a charger, and when a car stops at a parking position, a control part makes the lighting fixture which illuminates an operation part light. Solar battery charging station.   The said support body is provided with the arch part extended toward upper part from a pillar part and a pillar part, and the illuminating device is attached to the said arch part, The Claim 1 thru | or 3 characterized by the above-mentioned. Solar battery charging station.   The solar cell charging station according to any one of claims 1 to 4, wherein the roof body includes a circular outer frame and a support frame connected to the outer frame in a lattice shape.